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APPLE: Alias Pruning by Path Length Estimation

  • Alexander MarderEmail author
Conference paper
  • 36 Downloads
Part of the Lecture Notes in Computer Science book series (LNCS, volume 12048)

Abstract

Uncovering the Internet’s router graph is vital to accurate measurement and analysis. In this paper, we present a new technique for resolving router IP aliases that complements existing techniques. Our approach, Alias Pruning by Path Length Estimation (apple), avoids relying on router manufacturer and operating system specific implementations of IP. Instead, it filters potential router aliases seen in traceroute by comparing the reply path length from each address to a distributed set of vantage points.

We evaluated our approach on Internet-wide collections of IPv4 and IPv6 traceroutes. We compared apple’s router alias inferences against router configurations from two R&E networks, finding no false positives. Moreover, apple’s coverage of the potential alias pairs in the ground truth networks rivals the current state-of-the-art in IPv4, and far exceeds existing techniques in IPv6. We also show that apple complements existing alias resolution techniques, increasing the total number of inferred alias pairs by 109.6% in IPv4, and by 1071.5% in IPv6.

Notes

Acknowledgments

We thank kc claffy, Matthew Luckie, and Young Hyun for their invaluable feedback. This work was supported by NSF grants OAC-1724853 and OIA-1937165.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.UC San Diego/CAIDASan DiegoUSA

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